Home / 142,270,290.76-196,224,673.08-122,457,775

Finding the Fourth Proportional to 142,270,290.76, 196,224,673.08 and 122,457,775

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Solution

The fourth proportional to 142,270,290.76, 196,224,673.08 and 122,457,775 is: 168,898,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270,290.76 : 196,224,673.08 = 122,457,775 : x
  2. Step 2: Convert to fraction form
    142,270,290.76/196,224,673.08 = 122,457,775/x
  3. Step 3: Cross multiply
    142,270,290.76x = 196,224,673.08 × 122,457,775
  4. Step 4: Simplify right side
    142,270,290.76x = 24,029,236,865,479,200
  5. Step 5: Solve for x
    x = 24,029,236,865,479,200/142,270,290.76
  6. Step 6: Final answer
    x = 168,898,487.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.